Geissele Automatics Geissele Cold Hammer Forged 5.56 NATO 16" 1:7" 1/2x28" Chrome Lined .750" Gas Journal Heavy Barrel With Gas Tube 05-3113

Upgrade your AR-15 with the Geissele Automatics 5.56 CHF Heavy Profile AR-15 Barrel - 16", a precision-engineered component designed for unmatched reliability and performance in tactical, competition, or duty applications. Crafted through advanced cold hammer forging from high-grade chromoly vanadium steel, this barrel delivers exceptional accuracy, heat dissipation, and longevity, ensuring your rifle performs flawlessly under intense conditions.Key Features Cold Hammer Forged Construction: Enhances barrel strength and rifling consistency for superior shot-to-shot accuracy and extended service life, reducing wear from high-volume firing. Chrome-Lined Bore: Provides corrosion resistance and smoother bullet passage, minimizing fouling and maintaining velocity even after thousands of rounds. Heavy Profile Design: Optimized for sustained fire with excellent heat management, ideal for suppressing heat buildup during prolonged shooting sessions. Mid-Length Gas System: Balances recoil and reliability, offering a smoother cycling action compared to carbine-length systems while reducing wear on internal components. Manganese Phosphate Finish: Delivers rugged corrosion protection and a low-reflectance surface perfect for tactical environments.Specifications Caliber: 5.56 NATO Barrel Length: 16 inches Twist Rate: 1:7 RH - Stabilizes heavier bullets for versatile ammo compatibility, from 55-grain FMJ to 77-grain match loads. Gas Block Journal: 0.750 inches Muzzle Thread Pattern: 1/2x28 - Easily accommodates suppressors, muzzle brakes, and flash hiders. Platform: AR-15 Weight: 2.4 lbs (38.4 oz) Testing: High Pressure Tested (HPT) and Magnetic Particle Inspected (MPI) for flawless quality assurance.Why Choose This Barrel?For shooters seeking a dependable upgrade, the Geissele 5.56 CHF Heavy Profile Barrel addresses common pain points like inconsistent grouping and premature wear. Its robust heavy contour maintains zero under rapid fire, while the 1:7 twist ensures reliable stabilization across bullet weights. Whether building a custom duty rifle or enhancing an existing setup, this barrel's precision machining and durable finishes provide confidence in every shot. Engineered in the USA by Geissele Automatics, it's the choice of professionals who demand excellence without compromise.Ready to elevate your AR-15's performance? Add the Geissele Automatics 5.56 CHF Heavy Profile AR-15 Barrel - 16" to your build today and experience the difference in accuracy and durability.Frequently Asked QuestionsIs this barrel chrome-lined? Yes, it features a chrome-lined bore for enhanced durability and reduced maintenance, paired with a manganese phosphate exterior finish.What gas system does it use? This barrel utilizes a mid-length gas system with a .750-inch journal diameter, promoting smoother operation and less recoil than shorter systems.Is it compatible with standard AR-15 uppers? Absolutely, it's designed for AR-15 platforms with M4 barrel extensions and feed ramps, ensuring seamless integration with most mil-spec receivers.